Chao Bai

Work place: College of Electrical & Electronic Engineering. Harbin University of Science & Technology Harbin, China



Research Interests: Engineering


Chao Bai was born in 1985, Jilin province of China. She received B.S. degree in electrical engineering from Harbin University of Science and Technology, Heilongjiang, China, in 2008. She is a graduate student for a M.S. degree in the same school, under the guidance of Dr. Zhou.

Author Articles
Application of Genetic Neural Network in Power Battery Charging State-of-Charge Estimation

By Yongqin Zhou Chao Bai Jinlei Sun

DOI:, Pub. Date: 8 Mar. 2011

With global non-renewable resources and environmental issues becoming more apparent, the development of new energy vehicles have become the trend of auto industry. Hybrid vehicle becomes the key development of new energy vehicles with its long distance, low pollution, low fuel consumption characteristics and so on. The battery performances directly influence the quality of the whole vehicle performance. Considering the importance of the battery state of charge (SOC) estimation and the nonlinear relationship between the battery SOC and the external characteristic, genetic algorithm (GA) and back propagation (BP) neural network are proposed. Because of the strong global search capability of the genetic algorithm and the generalization ability of BP neural network, the hybrid vehicle Ni-MH power battery GA-BP charging model is designed. In this approach, the network training speed is superior to the traditional BP network. According to the real-time data of the batteries, the optimal solution can be concluded in a short time and with high estimation precision.

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